Example #1
0
def test_var():
    "Test Var objects"
    base = Factor('aabbcde')
    y = Var.from_dict(base, {'a': 5, 'e': 8}, default=0)
    assert_array_equal(y.x, [5, 5, 0, 0, 0, 0, 8])

    # basic operations
    info = {'a': 1}
    v = Var(np.arange(4.), info=info)
    eq_(v.info, info)
    w = v - 1
    eq_(w.info, info)
    assert_array_equal(w.x, v.x - 1)
    w = v + 1
    eq_(w.info, info)
    assert_array_equal(w.x, v.x + 1)
    w = v * 2
    eq_(w.info, info)
    assert_array_equal(w.x, v.x * 2)
    w = v / 2
    eq_(w.info, info)
    assert_array_equal(w.x, v.x / 2)

    # assignment
    tgt1 = np.arange(10)
    tgt2 = np.tile(np.arange(5), 2)
    v = Var(np.arange(10))
    v[v > 4] = np.arange(5)
    assert_array_equal(v, tgt2)
    v[5:] = np.arange(5, 10)
    assert_array_equal(v, tgt1)
    v = Var(np.arange(10))
    v[v > 4] = Var(np.arange(5))
    assert_array_equal(v, tgt2)
    v[5:] = Var(np.arange(5, 10))
    assert_array_equal(v, tgt1)

    # .split()
    y = Var(np.arange(16))
    for i in xrange(1, 9):
        split = y.split(i)
        eq_(len(split.cells), i)

    # .as_factor()
    v = Var(np.arange(4))
    assert_array_equal(v.as_factor(), Factor('0123'))
    assert_array_equal(v.as_factor({0: 'a'}), Factor('a123'))
    assert_array_equal(v.as_factor({(0, 1): 'a', (2, 3): 'b'}), Factor('aabb'))
    assert_array_equal(v.as_factor({
        (0, 1): 'a',
        2: 'b',
        'default': 'c'
    }), Factor('aabc'))
    assert_array_equal(v.as_factor({
        (0, 1): 'a',
        (2, 'default'): 'b'
    }), Factor('aabb'))
Example #2
0
def test_var():
    "Test Var objects"
    base = Factor('aabbcde')
    y = Var.from_dict(base, {'a': 5, 'e': 8}, default=0)
    assert_array_equal(y.x, [5, 5, 0, 0, 0, 0, 8])

    # basic operations
    info = {'a': 1}
    v = Var(np.arange(4.), info=info)
    eq_(v.info, info)
    w = v - 1
    eq_(w.info, info)
    assert_array_equal(w.x, v.x - 1)
    w = v + 1
    eq_(w.info, info)
    assert_array_equal(w.x, v.x + 1)
    w = v * 2
    eq_(w.info, info)
    assert_array_equal(w.x, v.x * 2)
    w = v  / 2
    eq_(w.info, info)
    assert_array_equal(w.x, v.x / 2)

    # assignment
    tgt1 = np.arange(10)
    tgt2 = np.tile(np.arange(5), 2)
    v = Var(np.arange(10))
    v[v > 4] = np.arange(5)
    assert_array_equal(v, tgt2)
    v[5:] = np.arange(5, 10)
    assert_array_equal(v, tgt1)
    v = Var(np.arange(10))
    v[v > 4] = Var(np.arange(5))
    assert_array_equal(v, tgt2)
    v[5:] = Var(np.arange(5, 10))
    assert_array_equal(v, tgt1)

    # .split()
    y = Var(np.arange(16))
    for i in xrange(1, 9):
        split = y.split(i)
        eq_(len(split.cells), i)

    # .as_factor()
    v = Var(np.arange(4))
    assert_array_equal(v.as_factor(), Factor('0123'))
    assert_array_equal(v.as_factor({0: 'a'}), Factor('a123'))
    assert_array_equal(v.as_factor({(0, 1): 'a', (2, 3): 'b'}), Factor('aabb'))
    assert_array_equal(v.as_factor({(0, 1): 'a', 2: 'b', 'default': 'c'}),
                       Factor('aabc'))
    assert_array_equal(v.as_factor({(0, 1): 'a', (2, 'default'): 'b'}),
                       Factor('aabb'))
Example #3
0
def test_var():
    "Test Var objects"
    base = Factor('aabbcde')

    # initialization
    x = np.arange(4)
    y = Var(x)
    assert_array_equal(y, x)
    y = Var(x, repeat=2)
    assert_array_equal(y, x.repeat(2))
    y = Var(x, repeat=x)
    assert_array_equal(y, x.repeat(x))
    y = Var.from_dict(base, {'a': 5, 'e': 8}, default=0)
    assert_array_equal(y.x, [5, 5, 0, 0, 0, 0, 8])
    assert_raises(TypeError, Var, x, info=1)

    # basic operations
    info = {'a': 1}
    v = Var([1., 2., 3., -4.], 'v', info=info)
    c = 2
    v2 = Var([2., 2., 3., 3.], 'w', info=info)
    eq_(v.info, info)
    for op, iop, desc in OPERATORS:
        target = op(v.x, c)
        vtarget = op(v.x, v2.x)
        # op
        if desc == '+':
            w = v.copy()
            w.x = iop(w.x, c)
        else:
            w = op(v, c)
            eq_(w.info, {'a': 1, 'longname': 'v %s %s' % (desc, c)})
            assert_array_equal(w, target)
            # with Var
            w = op(v, v2)
            eq_(w.info, {'a': 1, 'longname': 'v %s w' % desc})
            assert_array_equal(w, vtarget)
        # i-op
        w = v.copy()
        w = iop(w, c)
        assert_array_equal(w, target)
        # i-op with Var
        w = v.copy()
        w = iop(w, v2)
        assert_array_equal(w, vtarget)

    # methods
    w = v.abs()
    eq_(w.info, {'a': 1, 'longname': 'abs(v)'})
    assert_array_equal(w, np.abs(v.x))
    x = w.log()
    eq_(x.info, {'a': 1, 'longname': 'log(abs(v))'})
    assert_array_equal(x, np.log(w.x))

    # assignment
    tgt1 = np.arange(10)
    tgt2 = np.tile(np.arange(5), 2)
    v = Var(np.arange(10))
    v[v > 4] = np.arange(5)
    assert_array_equal(v, tgt2)
    v[5:] = np.arange(5, 10)
    assert_array_equal(v, tgt1)
    v = Var(np.arange(10))
    v[v > 4] = Var(np.arange(5))
    assert_array_equal(v, tgt2)
    v[5:] = Var(np.arange(5, 10))
    assert_array_equal(v, tgt1)

    # .count()
    v = Var([1., 2., 1.11, 2., 1.11, 4.])
    assert_array_equal(v.count(), [0, 0, 0, 1, 1, 0])

    # .split()
    y = Var(np.arange(16))
    for i in range(1, 9):
        split = y.split(i)
        eq_(len(split.cells), i)

    # .as_factor()
    v = Var(np.arange(4))
    assert_dataobj_equal(v.as_factor(), Factor('0123'))
    assert_dataobj_equal(v.as_factor({0: 'a'}), Factor(['a', '', '', '']))
    assert_dataobj_equal(v.as_factor({(0, 1): 'a', (2, 3): 'b'}), Factor('aabb'))
    assert_dataobj_equal(v.as_factor({(0, 1): 'a', 2: 'b', 'default': 'c'}),
                         Factor('aabc'))
    assert_dataobj_equal(v.as_factor({(0, 1): 'a', (2, 'default'): 'b'}),
                         Factor('aabb'))
Example #4
0
def test_var():
    "Test Var objects"
    base = Factor('aabbcde')

    # initialization
    x = np.arange(4)
    y = Var(x)
    assert_array_equal(y, x)
    y = Var(x, repeat=2)
    assert_array_equal(y, x.repeat(2))
    y = Var(x, repeat=x)
    assert_array_equal(y, x.repeat(x))
    y = Var.from_dict(base, {'a': 5, 'e': 8}, default=0)
    assert_array_equal(y.x, [5, 5, 0, 0, 0, 0, 8])
    assert_raises(TypeError, Var, x, info=1)

    # basic operations
    info = {'a': 1}
    v = Var([1., 2., 3., -4.], 'v', info=info)
    c = 2
    v2 = Var([2., 2., 3., 3.], 'w', info=info)
    eq_(v.info, info)
    for op, iop, desc in OPERATORS:
        target = op(v.x, c)
        vtarget = op(v.x, v2.x)
        # op
        if desc == '+':
            w = v.copy()
            w.x = iop(w.x, c)
        else:
            w = op(v, c)
            eq_(w.info, {'a': 1, 'longname': 'v %s %s' % (desc, c)})
            assert_array_equal(w, target)
            # with Var
            w = op(v, v2)
            eq_(w.info, {'a': 1, 'longname': 'v %s w' % desc})
            assert_array_equal(w, vtarget)
        # i-op
        w = v.copy()
        w = iop(w, c)
        assert_array_equal(w, target)
        # i-op with Var
        w = v.copy()
        w = iop(w, v2)
        assert_array_equal(w, vtarget)

    # methods
    w = v.abs()
    eq_(w.info, {'a': 1, 'longname': 'abs(v)'})
    assert_array_equal(w, np.abs(v.x))
    x = w.log()
    eq_(x.info, {'a': 1, 'longname': 'log(abs(v))'})
    assert_array_equal(x, np.log(w.x))

    # assignment
    tgt1 = np.arange(10)
    tgt2 = np.tile(np.arange(5), 2)
    v = Var(np.arange(10))
    v[v > 4] = np.arange(5)
    assert_array_equal(v, tgt2)
    v[5:] = np.arange(5, 10)
    assert_array_equal(v, tgt1)
    v = Var(np.arange(10))
    v[v > 4] = Var(np.arange(5))
    assert_array_equal(v, tgt2)
    v[5:] = Var(np.arange(5, 10))
    assert_array_equal(v, tgt1)

    # .count()
    v = Var([1., 2., 1.11, 2., 1.11, 4.])
    assert_array_equal(v.count(), [0, 0, 0, 1, 1, 0])

    # .split()
    y = Var(np.arange(16))
    for i in xrange(1, 9):
        split = y.split(i)
        eq_(len(split.cells), i)

    # .as_factor()
    v = Var(np.arange(4))
    assert_dataobj_equal(v.as_factor(), Factor('0123'))
    assert_dataobj_equal(v.as_factor({0: 'a'}), Factor(['a', '', '', '']))
    assert_dataobj_equal(v.as_factor({(0, 1): 'a', (2, 3): 'b'}), Factor('aabb'))
    assert_dataobj_equal(v.as_factor({(0, 1): 'a', 2: 'b', 'default': 'c'}),
                         Factor('aabc'))
    assert_dataobj_equal(v.as_factor({(0, 1): 'a', (2, 'default'): 'b'}),
                         Factor('aabb'))